Broad bandwidth planar power combiner/divider device

Details Broad bandwidth planar power combiner/divider device Broad bandwidth planar power combiner/divider device

1989-08-22

1990-11-06

Gensler, Paul

Wave transmission lines and networks

Plural channel systems

Having branched circuits

333 34, H01P 512

Patent

active

049689584

ABSTRACT:
A planar power combiner/divider device comprises a metallic layer on an insulating substrate. The metallic layer is configured to have an output (input) neck portion (12) which extends into a purely tapered portion (16) which in turn splits into n tapering conductors (1 to 5), the terminal portions of which constitute input (output) ports. The overall length (L) of the metallic layer between a junction (14) of the neck and purely tapering portions to each input (output) port being substantially constant and equal to substantially half the wavelength of the lowest design frequency and the distance x from the junction (14) to the (first) split into tapering conductors is selected so as to avoid transverse resonance at the desired frequencies.

REFERENCES:
patent: 2836798 (1958-05-01), Le Vine
patent: 2877427 (1959-03-01), Butler
patent: 3646478 (1972-02-01), Ross
patent: 4129839 (1978-12-01), Galani et al.
patent: 4835496 (1989-05-01), Schellenberg
W. Yau et al., "An N--Way Broadband Planar Power Combiner/Divider", Microwave Journal, vol. 29, No. 11, Nov. 1986, pp. 147-151.
M. Hamadallah, "Microstrip Power Dividers at mm--Wave Frequencies", Microwave Journal, vol. 31, No. 7, Jul. 1988, pp. 115-127.
I. Wolf, "Computer Aided Design of Microstrip Power Dividers", Proceedings of the 1973 European Microwave Conference, Brussels, Sep. 4-7, 1973, pp. A.12.5.

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